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DB2 - Problem description

Problem IC70638 Status: Closed

DB2 TRIES TO DELETE OLD BACKUPS AND LOGS MULTIPLE TIMES WHEN DOI NG BACKUP
TO TSM AND AUTO_DEL_REC_OBJ IS ON AND USING MULTIPLE S

product:
DB2 FOR LUW / DB2FORLUW / 970 - DB2
Problem description:
DB2 tries to delete old backups and logs multiple times when 
doing backup to TSM and AUTO_DEL_REC_OBJ is ON and using 
multiple session in backup command. 
 
Recreation of the problem can be done as below: 
 
db2 create db AUTODEL 
db2 update db cfg for AUTODEL using REC_HIS_RETENTN 0 
NUM_DB_BACKUPS 2 AUTO_DEL_REC_OBJ ON 
db2 terminate 
db2 backup db AUTODEL USE TSM OPEN 2 SESSIONS 
db2 backup db AUTODEL USE TSM OPEN 2 SESSIONS 
rm ~/sqllib/db2dump/db2diag.log 
db2 backup db AUTODEL USE TSM OPEN 2 SESSIONS 
 
In db2diag.log, user will see: 
 
2010-08-11-17.02.37.710729-240 E4426E453           LEVEL: Info 
PID     : 4433                 TID  : 47484961286464PROC : 
db2sysc 
INSTANCE: XXXXXX              NODE : 000          DB   : AUTODEL 
APPHDL  : 0-36                 APPID: *100811210235 
AUTHID  : XXXXXX 
EDUID   : 136                  EDUNAME: db2agent (AUTODEL) 
FUNCTION: DB2 UDB, database utilities, sqlubSetupJobControl, 
probe:1600 
MESSAGE : Starting an offline db backup. 
 
2010-08-11-17.02.43.884073-240 E4880E521           LEVEL: Info 
PID     : 4433                 TID  : 47484961286464PROC : 
db2sysc 
INSTANCE: XXXXXX              NODE : 000          DB   : AUTODEL 
APPHDL  : 0-36                 APPID: *100811210235 
AUTHID  : XXXXXXX 
EDUID   : 136                  EDUNAME: db2agent (AUTODEL) 
FUNCTION: DB2 UDB, database utilities, 
sqluhPruneHistoryDeleteFile, probe:1112 
MESSAGE : ADM8504I  Successfully deleted the backup image with 
timestamp< 
          "20100811170152". 
 
2010-08-11-17.02.44.108856-240 E5402E464           LEVEL: Error 
PID     : 9205                        TID  : 47099491015392PROC 
: db2vend (DB2 Prune Agent - 136 ( 
INSTANCE: XXXXXX              NODE : 000 
FUNCTION: DB2 UDB, database utilities, sqluvDoQueryAndDelete, 
probe:2762 
DATA #1 : Vendor RC, PD_DB2_TYPE_VENDOR_RC, 4 bytes 
Vendor RC=0x00000006=6 -- see DB2 API Guide for meaning. 
MESSAGE : Could not find any objects to delete. 
DATA #2 : signed integer, 8 bytes 
0 
 
2010-08-11-17.02.44.109812-240 E5867E521           LEVEL: Info 
PID     : 4433                 TID  : 47484961286464PROC : 
db2sysc 
INSTANCE: XXXXXXX              NODE : 000          DB   : 
AUTODEL 
APPHDL  : 0-36                 APPID: *100811210235 
AUTHID  : XXXXXXX 
EDUID   : 136                  EDUNAME: db2agent (AUTODEL) 
FUNCTION: DB2 UDB, database utilities, 
sqluhPruneHistoryDeleteFile, probe:1112 
MESSAGE : ADM8504I  Successfully deleted the backup image with 
timestamp< 
          "20100811170152". 
 
2010-08-11-17.02.45.266974-240 E6389E426           LEVEL: Info 
PID     : 4433                 TID  : 47484961286464PROC : 
db2sysc 
INSTANCE: XXXXXXX              NODE : 000          DB   : 
AUTODEL 
APPHDL  : 0-36                 APPID: *100811210235 
AUTHID  : XXXXXXX 
EDUID   : 136                  EDUNAME: db2agent (AUTODEL) 
FUNCTION: DB2 UDB, database utilities, sqlubcka, probe:905 
MESSAGE : Backup complete.
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* All                                                          * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* DB2 tries to  delete  old backups and  logs multiple  times  * 
* when  doing backup  to  TSM and  AUTO_DEL_REC_OBJ is on and  * 
* using  multiple  session.                                    * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* First Fixed in DB2 V9.7 Fixpack 4.                           * 
****************************************************************
Local Fix:
Do not use Multiple OPEN Session in backup command.
available fix packs:
DB2 Version 9.7 Fix Pack 4 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 5 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 6 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 7 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 8 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9a for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 10 for Linux, UNIX, and Windows

Solution
DB2 tries to delete old backups and logs multiple times when 
doing backup to TSM and AUTO_DEL_REC_OBJ is ON and using 
multiple session in backup command. 
 
Recreation of the problem can be done as below: 
 
db2 create db AUTODEL 
db2 update db cfg for AUTODEL using REC_HIS_RETENTN 0 
NUM_DB_BACKUPS 2 AUTO_DEL_REC_OBJ ON 
db2 terminate 
db2 backup db AUTODEL USE TSM OPEN 2 SESSIONS 
db2 backup db AUTODEL USE TSM OPEN 2 SESSIONS 
rm ~/sqllib/db2dump/db2diag.log 
db2 backup db AUTODEL USE TSM OPEN 2 SESSIONS 
 
In db2diag.log, user will see: 
 
2010-08-11-17.02.37.710729-240 E4426E453   LEVEL: Info 
PID    : 4433       TID  : 47484961286464PROC : 
db2sysc 
INSTANCE: XXXXXX       NODE : 000   DB  : AUTODEL 
APPHDL : 0-36        APPID: *100811210235 
AUTHID : XXXXXX 
EDUID  : 136        EDUNAME: db2agent (AUTODEL) 
FUNCTION: DB2 UDB, database utilities, sqlubSetupJobControl, 
 
probe:1600 
MESSAGE : Starting an offline db backup. 
 
2010-08-11-17.02.43.884073-240 E4880E521   LEVEL: Info 
PID    : 4433       TID  : 47484961286464PROC : 
db2sysc 
INSTANCE: XXXXXX       NODE : 000   DB  : AUTODEL 
APPHDL : 0-36        APPID: *100811210235 
AUTHID : XXXXXXX 
EDUID  : 136        EDUNAME: db2agent (AUTODEL) 
FUNCTION: DB2 UDB, database utilities, 
 
sqluhPruneHistoryDeleteFile, probe:1112 
MESSAGE : ADM8504I  Successfully deleted the backup image with 
timestamp< 
   "20100811170152". 
 
2010-08-11-17.02.44.108856-240 E5402E464   LEVEL: Error 
PID    : 9205        TID  : 47099491015392PROC 
: db2vend (DB2 Prune Agent - 136 ( 
INSTANCE: XXXXXX       NODE : 000 
FUNCTION: DB2 UDB, database utilities, sqluvDoQueryAndDelete, 
 
probe:2762 
DATA #1 : Vendor RC, PD_DB2_TYPE_VENDOR_RC, 4 bytes 
Vendor RC=0x00000006=6 -- see DB2 API Guide for meaning. 
MESSAGE : Could not find any objects to delete. 
DATA #2 : signed integer, 8 bytes 
0 
 
2010-08-11-17.02.44.109812-240 E5867E521   LEVEL: Info 
PID    : 4433       TID  : 47484961286464PROC : 
db2sysc 
INSTANCE: XXXXXXX        NODE : 000    DB  : 
AUTODEL 
APPHDL : 0-36        APPID: *100811210235 
AUTHID : XXXXXXX 
EDUID  : 136        EDUNAME: db2agent (AUTODEL) 
FUNCTION: DB2 UDB, database utilities, 
 
sqluhPruneHistoryDeleteFile, probe:1112 
MESSAGE : ADM8504I  Successfully deleted the backup image with 
timestamp< 
   "20100811170152". 
 
2010-08-11-17.02.45.266974-240 E6389E426   LEVEL: Info 
PID    : 4433       TID  : 47484961286464PROC : 
db2sysc 
INSTANCE: XXXXXXX        NODE : 000    DB  : 
AUTODEL 
APPHDL : 0-36        APPID: *100811210235 
AUTHID : XXXXXXX 
EDUID  : 136        EDUNAME: db2agent (AUTODEL) 
FUNCTION: DB2 UDB, database utilities, sqlubcka, probe:905 
 
MESSAGE : Backup complete.
Workaround
not known / see Local fix
BUG-Tracking
forerunner  : APAR is sysrouted TO one or more of the following: IC71170 
follow-up : 
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
18.08.2010
14.07.2011
14.07.2011
Problem solved at the following versions (IBM BugInfos)
9.2.05,
9.7.FP4
Problem solved according to the fixlist(s) of the following version(s)
9.7.0.4 FixList